WG interface to ipv4

[ѽ҉ᶬḳ℠]

Debian kernel 4.15.11
WG 0.0.20180420-1

Hi

Is there a way to constrain WG to ipv4? ipv6 is disabled on the server 
and the WG iface has indeed just assigned an ipv4 address but netstat 
-tulpn is still showing the WG port on upd6?

udp        0      0 0.0.0.0:45065           0.0.0.0:*
udp6       0      0 :::45065                :::*

Also wondering why it showing the wildcard address and not the subnet 
ip. And the State does not show as LISTEN. Similar output with ss -tulpn.


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